can b12 injections cause diarrhea Shots at Home: How, Where & How Often to Inject Yourself Understanding the B12 Vitamin Shot:

Key Takeaways The standard initial dose for severe deficiency is 1,000 mcg intramuscularly daily or every other day

1-3ml Syringes 2

Summary Vitamin B12 injections are very safe

Your body might be lacking a key nutrientVitamin B12

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